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dest/src patch.

pull/446/head
Christopher Young 2016-06-21 15:05:28 -04:00
rodzic fc5641cb69
commit ada5b4ae3f
1 zmienionych plików z 10 dodań i 11 usunięć
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21
dump978/dump978.c
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@ -143,23 +143,22 @@ void make_atan2_table(void) {
}
}
static void convert_to_phi(uint16_t *buffer, int n)
{
static void convert_to_phi(uint16_t *dest, uint16_t *src, int n) {
int i;
// unroll the loop. n is always > 2048, usually 36864
for (i = 0; i+8 <= n; i += 8) {
buffer[i] = iqphase[buffer[i]];
buffer[i+1] = iqphase[buffer[i+1]];
buffer[i+2] = iqphase[buffer[i+2]];
buffer[i+3] = iqphase[buffer[i+3]];
buffer[i+4] = iqphase[buffer[i+4]];
buffer[i+5] = iqphase[buffer[i+5]];
buffer[i+6] = iqphase[buffer[i+6]];
buffer[i+7] = iqphase[buffer[i+7]];
dest[i] = iqphase[src[i]];
dest[i+1] = iqphase[src[i+1]];
dest[i+2] = iqphase[src[i+2]];
dest[i+3] = iqphase[src[i+3]];
dest[i+4] = iqphase[src[i+4]];
dest[i+5] = iqphase[src[i+5]];
dest[i+6] = iqphase[src[i+6]];
dest[i+7] = iqphase[src[i+7]];
}
for (; i < n; ++i)
buffer[i] = iqphase[buffer[i]];
dest[i] = iqphase[src[i]];
}
static void calc_power(uint16_t *samples, int len) { // sets signal_strength to scaled amplitude. 0 = no signal, 1000 = saturated receiver on all samples in measurement.